Question about JVC AV-48WP30 48" Rear Projection Television

4 Answers

Black pop-up screen when pressing any menu features on remote

Whenever i press a feature utton on the remote such as menu & input button, the pop-up screen on display is all black, can't read anything, before the characters are bright green color, i dont know if we press anything in the remote thats why its happening.

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  • grayanne Feb 10, 2008

    Thanks C-dog., but the problem still exist eventhough i put my closed caption in off mode.

    i think i press something in my remote thats why im having this problem because before this problem exixted i even adjusted my color settings and tried the POP, SPLIT, FREEZE and some other buttons...and then i just noticed that everytime i press a button like menu, input...the pop-up onscreen display is all black and can't read the text....

    Can you help me with this...many thanks

  • grayanne Feb 10, 2008

    hi c-dog. i can't find a reset feature in the menu the only reset button i can find is the reset button on picture adjust section. i tried unpluging the wall outlet but still the problem exist, actually i can only view the menus while im turning off the lights and trying to sit very close on the tv, that way i can see a little shadows of the words, basically a black pop-up onscreen on display still showing when pressing any feature button on the remote.

  • grayanne Feb 11, 2008

    sorry im not a technician.

    by the way, on the black pop-up onscreen display whenever i press the feature buttons, when i stand close to the tv and turn off the lights i could see some shadowing of the words but very very minimal visibility and its so hard to read

  • grayanne Mar 01, 2008

    i was thinking too that its a convergence problem, because when im turning on the tv there's a green shadowing on the left side, but when you start watching programs you wont see that green shadows.

    can you just tell me how to fix that convergence problem, i really dont know how, or do i need a qualified technician to do that, or i can do it too?



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Hi i really need your help,i have a jvc projector AV-48PRO,the image is shrink on the top and the bottom.i change the two STK392-110 but nothing happen.please can someone help me on that.thnxssss

Posted on Mar 22, 2008


In your customer menu there is a convergence adjustment feature. just follow the instructions on how to do it. It's pretty simple. But if that doesn't do it, then you may have some components shorted or open in the convergence circuit. If so, then you will need a qualified tech to repair it.


Posted on Mar 02, 2008

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I'm not entirely sure, but I think the problem lies in your Convergence OSD PWB. I had to disconnect mine in the attempt to troubleshoot a problem with my TV and the same thing occurred. I would check your connection from your Convergence PWB to your Convergence OSD PWB; especially if you recently recently changed your IC's to fix a color convergence problem. If that checks out ok I would look for possible problems on the Convergence OSD PWB. Good luck!

Posted on Mar 01, 2008

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Check for closed captioning. make sure it's set to off.


Posted on Feb 10, 2008

  • Carl Manaloto
    Carl Manaloto Feb 10, 2008

    Try and see if there is some sort of a reset feature in the menu. Also try to unplug the set from the wall outlet for a few minutes then plug it back in. That resets the microprocessor from being stuck in a loop of some kind.


  • Carl Manaloto
    Carl Manaloto Feb 10, 2008

    When the internal temperature gets high then the photo coupler efficiency decreases. This would sometimes result in the menu display freezing up not being able to see any of the PTV functions. Are you a technician?



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